From 5267db394c36c8d2e2f4110fc4d979a832b72860 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Fri, 26 Sep 2008 14:31:17 -0700
Subject: [PATCH] add os.Pipe

R=r
OCL=15989
CL=16001
---
 src/lib/os/os_file.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/lib/os/os_file.go b/src/lib/os/os_file.go
index c6c641bb55a..0b1d2e0df51 100644
--- a/src/lib/os/os_file.go
+++ b/src/lib/os/os_file.go
@@ -82,3 +82,12 @@ func (fd *FD) WriteString(s string) (ret int, err *Error) {
 	r, e := syscall.write(fd.fd, &b[0], int64(len(s)));
 	return int(r), ErrnoToError(e)
 }
+
+export func Pipe() (fd1 *FD, fd2 *FD, err *Error) {
+	var p [2]int64
+	r, e := syscall.pipe(&p);
+	if e != 0 {
+		return nil, nil, ErrnoToError(e)
+	}
+	return NewFD(p[0]), NewFD(p[1]), nil
+}